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          <ccc>XXXXXXXX</ccc>
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        <classId>C000101149</classId>
        <classId>C000101150</classId>
        <classId>C000101151</classId>
        <classId>C000201973</classId>
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      <regCik>0000893818</regCik>
      <regLei>5493008LW2651I1QB503</regLei>
      <regStreet1>100 Bellevue Parkway</regStreet1>
      <regCity>Wilmington</regCity>
      <regStateConditional regCountry="US" regState="US-DE"/>
      <regZipOrPostalCode>19809</regZipOrPostalCode>
      <regPhone>800-441-7762</regPhone>
      <seriesName>BlackRock LifePath Index 2040 Fund</seriesName>
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      <repPdEnd>2025-12-31</repPdEnd>
      <repPdDate>2025-06-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
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      <totLiabs>130217311.54</totLiabs>
      <netAssets>13698202816.67</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
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      <isNonCashCollateral>N</isNonCashCollateral>
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        <name>iShares Global Infrastructure ETF</name>
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      <invstOrSec>
        <name>iShares US Intermediate Government Bond Index Fund/BlackRock</name>
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        <name>BlackRock Funds III</name>
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      <invstOrSec>
        <name>SMALL CAP LIFEPATH</name>
        <lei>N/A</lei>
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          <other otherDesc="BlackRock Identifier" value="BRSC7UH02"/>
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        <fairValLevel>N/A</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares Core MSCI Total International Stock ETF</name>
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      </invstOrSec>
      <invstOrSec>
        <name>RUSSEL 1000 LIFEPATH</name>
        <lei>N/A</lei>
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          <other otherDesc="BlackRock Identifier" value="BRSC7UGQ6"/>
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        <fairValLevel>N/A</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares US Intermediate Credit Bond Index Fund/BlackRock</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>iShares FTSE NAREIT All Equity REITs Index Fund</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares US Long Credit Bond Index Fund/BlackRock</name>
        <lei>549300KVJ2QNPSCQ7553</lei>
        <title>iShares US Long Credit Bond Index Fund/BlackRock</title>
        <cusip>09260J625</cusip>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>iShares US Long Government Bond Index Fund/BlackRock</name>
        <lei>5493000M7EEG1SN8TY84</lei>
        <title>iShares US Long Government Bond Index Fund/BlackRock</title>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares 0-5 Year TIPS Bond ETF</name>
        <lei>549300GIWSEGOQLZR212</lei>
        <title>iShares 0-5 Year TIPS Bond ETF</title>
        <cusip>46429B747</cusip>
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          <isin value="US46429B7477"/>
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        <valUSD>43508186.89000000</valUSD>
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        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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          <loanByFundCondition isLoanByFund="Y" loanVal="225372.90000000"/>
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      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>

      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>




    </explntrNotes>
    <signature>
      <ncom:dateSigned>2025-07-31</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds III</ncom:nameOfApplicant>
      <ncom:signature>Chuck Pulsfort</ncom:signature>
      <ncom:signerName>Chuck Pulsfort</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
